Sigils

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The Nightmare Sigil is an item collected during the Diablo 4 end-game and used to open up Nightmare Dungeons. When utilised, a dungeon will become "Afflicted".

When Nightmare Sigils are found, they add special modifiers to dubgeons and provide better loot. Sigils effectively modify the monsters inside the dungeon.

Nightmare-difficulty dungeons in Diablo IV unlock upon locating your first Nightmare Sigil. Each sigil corresponds to a specific dungeon somewhere within Sanctuary. These sigils will add special modifiers to their dungeon, increasing the ferocity of the hell-servants waiting for you inside and providing higher-rarity loot. Through completing Nightmare dungeons, you will recover even more powerful sigils, introducing increasingly death-defying modifications and challenges for you to overcome. As you progress into higher and more challenging World Tiers, new Nightmare Dungeons will become available for you to explore.

Crafting Sigils

Sigils can be crafted at the Occultist for a fee.

Sigil Types and Costs

Common Sigils

Tiers	Sigil Information	Costs
Tier 1-5	Create a Nightmare Sigil of Tier 1-5. Afflictions: 3 Requires World Tier: 3	Sigil Powder x4 4,000 Gold
Tier 6-10	Create a Nightmare Sigil of Tier 6-10. Afflictions: 3 Requires World Tier: 3	Sigil Powder x6 6,000 Gold

Sacred Sigils

Tiers	Sigil Information	Cost
Tier 11-15	Create a Nightmare Sigil of Tier 11-15. Afflictions: 4 Requires World Tier: 4	Sigil Powder x13 8,000 Gold
Tier 16-20	Create a Nightmare Sigil of Tier 16-20. Afflictions: 4 Requires World Tier: 4	Sigil Powder x18 10,000 Gold

Ancestral Sigils

Tiers	Sigil Information	Cost
Tier 21-25	Creates a Nightmare Sigil of Tier 21-25. Afflictions: 5 Requires World Tier: 5	Sigil Powder x23 13,000 Gold
Tier 26-30	Creates a Nightmare Sigil of Tier 26-30. Afflictions: 5 Requires World Tier: 5	Sigil Powder x28 16,000 Gold
Tier 31-35	Creates a Nightmare Sigil of Tier 31-35. Afflictions: 5 Requires World Tier: 5	Sigil Powder x34 19,000 Gold
Tier 36-40	Creates a Nightmare Sigil of Tier 36-40. Afflictions: 5 Requires World Tier: 5	Sigil Powder x40 22,000 Gold
Tier 41-50	Creates a Nightmare Sigil of Tier 41-50. Afflictions: 5 Requires World Tier: 5	Sigil Powder x50 26,000 Gold
Tier 51-60	Creates a Nightmare Sigil of Tier 51-60. Afflictions: 5 Requires World Tier: 5	Sigil Powder x60 30,000 Gold
Tier 61-70	Creates a Nightmare Sigil of Tier 61-70. Afflictions: 5 Requires World Tier: 5	Sigil Powder x70 35,000 Gold
Tier 71-80	Creates a Nightmare Sigil of Tier 71-80. Afflictions: 5 Requires World Tier: 5	Sigil Powder x80 40,000 Gold
Tier 81-90	Creates a Nightmare Sigil of Tier 81-90. Afflictions: 5 Requires World Tier: 5	Sigil Powder x90 45,000 Gold
Tier 91-100	Creates a Nightmare Sigil of Tier 91-100. Afflictions: 5 Requires World Tier: 5	Sigil Powder x100 50,000 Gold

Sigil Types and Dungeons

Tier 1-10	Tier 11-20	Tier 21 -100
Common Sigil Dungeons Abandoned Mineworks Conclave Dark Ravine Defiled Catacomb Demon's Wake Earthen Wound Guulrahn Canals Steadfast Barracks Sunken Ruins Zenith	Sacred Sigil Dungeons Aldurwood Ancient's Lament Black Asylum Blink Burrows Conclave Crusader's Cathedral Guulrahn Canals Maugan's Works Maulwood Onyx Hold Shivta Ruins Steadfast Barracks Stockades Sunken Ruins Zenith	Ancestral Sigil Dungeons Abandoned Mineworks Ancient's Lament Champion's Demise Crusader's Cathedral Dark Ravine Defiled Catacomb Demon's Wake Deserted Underpass Earthen Wound Guulrahn Slums Immortal Emanation Jalal's Vigil Maugan's Works Maulwood Prison of Caldeum Raethwind Wilds Ritual Tower Shadowed Plunge Serpent's Lair Stockades